Publications associées à ZnO nanostructures - Future frontiers in photocatalysis, solar cells, sensing, supercapacitor, fingerprint technologies, toxicity, and clinical diagnostics

Publications associées (14)

Synthesis and characterization of low-dimensional organic-inorganic perovskites for detection and photovoltaic applications

Low-dimensional perovskite such as layered halide perovskite and perovskite nanocrystals have attracted attention in the past decade. These materials have impressive optoelectronic properties such as high photoluminescence and improved stability relative t ...

EPFL2025

Versatile self-assembled monolayers for perovskite-based optoelectronic devices

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Yong Ding, Shun Tian, Li Tao

The emergence of metal halide perovskite materials has triggered a revolutionary change in optoelectronic devices. Due to their outstanding optoelectronic properties and defect tolerance, metal halide perovskites can be used for a wide range of application ...

2025

Self-Aligned Silica Nanoparticle Rear Reflectors for Single-Junction Si and Perovskite-Si Tandem Solar Cells

Christophe Ballif, Christian Michael Wolff, Kerem Artuk, Deniz Türkay

Infrared light management is crucial to maximize the optical performance of crystalline Si-based single junction and tandem solar cells. For this end, a low refractive index dielectric is typically inserted under the rear metal and an electrical contact is ...

2025

p-NiO/LiNiO-GaN heterojunctions: a potential alternative to p-GaN for advanced devices

Elison de Nazareth Matioli, Mounir Driss Mensi, Alessandro Floriduz, Yuan Zong, Zheng Hao, Uiho Choi

In this work, we introduce a p-NiO/LiNiO stack grown via low-temperature deposition processes, offering an effective alternative for creating localized p-type regions in GaN devices. This stack combines a high hole concentration p-NiO film ([h] = 2 × 1019 ...

Institute of Electrical and Electronics Engineers2025

Indirect Excitons and Many-body Interactions in Ingaas Double Quantum Wells

Fauzia Jabeen

Spatially indirect excitons in semiconductor quantum wells are relevant to basic research and device applications because they exhibit enhanced tunability, delocalized wave functions, and potentially longer lifetimes relative to direct excitons. Here we in ...

AMER PHYSICAL SOC2025

Quantifying Recombination and Charge Carrier Extraction in Halide Perovskites Via Hyperspectral Time-resolved Photoluminescence Imaging

Anurag Krishna

Identifying sources of nonradiative recombination and quantifying charge carrier extraction in halide perovskite solar cells are important in further developing this thin-film technology. Steady-state and time-resolved photoluminescence (TRPL), in combinat ...

AIP Publishing2024

Spatial Conformation Engineering of Aromatic Ketones for Highly Efficient and Stable Perovskite Solar Cells

Minhuan Wang, Michael Graetzel, Shaik Mohammed Zakeeruddin, Likai Zheng, Xiaoqing Jiang

Carbonyl-containing materials employed in state-of-the-art hybrid lead halide perovskite solar cells (PSCs) exhibit a strong structure-dependent electron donor effect that predominates in defect passivation. However, the impact of the molecular spatial con ...

AMER CHEMICAL SOC2024

Synergetic substrate and additive engineering for over 30%-efficient perovskite-Si tandem solar cells

Christophe Ballif, Mathieu Gérard Boccard, Quentin Thomas Jeangros, Mounir Driss Mensi, Christian Michael Wolff, Kerem Artuk, Deniz Türkay, Daniel Anthony Jacobs, Xin Yu Chin

Perovskite-silicon (Si) tandem solar cells are the most prominent contenders to succeed single-junction Si cells that dominate the market today. Yet, to justify the added cost of inserting a perovskite cell on top of Si, these devices should first exhibit ...

2024

Fluoride-Rich, Organic-Inorganic Gradient Interphase Enabled by Sacrificial Solvation Shells for Reversible Zinc Metal Batteries

Lei Zhang, Kangning Zhao

Zinc metal batteries are strongly hindered by water corrosion, as solvated zinc ions would bring the active water molecules to the electrode/electrolyte interface constantly. Herein, we report a sacrificial solvation shell to repel active water molecules f ...

Amer Chemical Soc2023

Photocapacitor integrating voltage-adjustable hybrid supercapacitor and silicon solar cell generating a Joule efficiency of 86%

Mohammad Khaja Nazeeruddin

Photocapacitor integrating both energy harvest and storage functions into a single device is a frontier research orientation, which facilitates the efficient and sustainable utilization of green energy. However, the multi-functions in one device and struct ...

ROYAL SOC CHEMISTRY2022

Platinum Nanostructured Needle-Shaped Sensors for Ion Detection in Biomedical Applications

Sandro Carrara

Ion-selective electrodes (ISEs) represent one of the main technologies for developing sensors to measure ions concentration in human tissues. All-solid-state ISEs are of key importance for sensor miniaturization, especially toward point-of-care application ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2022

Chromophore of an Enhanced Green Fluorescent Protein Can Play a Photoprotective Role Due to Photobleaching

László Forró, Andrzej Sienkiewicz, Katarzyna Pierzchala

Under stress conditions, elevated levels of cellular reactive oxygen species (ROS) may impair crucial cellular structures. To counteract the resulting oxidative damage, living cells are equipped with several defense mechanisms, including photoprotective fu ...

MDPI2021

Low-Cost Dopant Additive-Free Hole-Transporting Material for a Robust Perovskite Solar Cell with Efficiency Exceeding 21%

Michael Graetzel, Shaik Mohammed Zakeeruddin, Ulf Anders Hagfeldt, Felix Thomas Eickemeyer, Yuhang Liu, Linfeng Pan, Hongwei Zhu, Yameng Ren, Zhongjin Shen

Developing hole-transporting materials (HTMs) with appropriate molecular configuration and charge mobility is important to improve perovskite solar cell (PSC) photovoltaic performance and their feasibility for commercialization. In this work, a novel pyram ...

2021

Two in One: A Dinuclear Ru(II) Complex for Deep-Red Light-Emitting Electrochemical Cells and as an Electrochemiluminescence Probe for Organophosphorus Pesticides

Mohammad Khaja Nazeeruddin

The emissive properties of two Ru(II) complexes, [Ru(dmbipy)(2)L-1]PF6 (1) and [Ru-2(dmbipy)(4)L-2]PF6 (2), (where L-1 and L-2 are pi-extended phenanthroline-based ligands and dmbipy = 4,4'-dimethyl-2,2'-bipyridine) have been explored for dual ap ...

AMER CHEMICAL SOC2021